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" AnsiHighlight: Allows for marking up a file, using ANSI color escapes when

" the syntax changes colors, for easy, faithful reproduction.

" Author: Matthew Wozniski (mjw@drexel.edu)

" Date: Fri, 01 Aug 2008 05:22:55 -0400

" Version: 1.0 FIXME

" History: FIXME see :help marklines-history

" License: BSD. Completely open source, but I would like to be

" credited if you use some of this code elsewhere.

" Redistribution and use in source and binary forms, with or without

" modification, are permitted provided that the following conditions are met:

" * Redistributions of source code must retain the above copyright

" notice, this list of conditions and the following disclaimer.

" * Redistributions in binary form must reproduce the above copyright

" notice, this list of conditions and the following disclaimer in the

" documentation and/or other materials provided with the distribution.

" * The names of the contributors may not be used to endorse or promote

" products derived from this software without specific prior written

" permission.

" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER ``AS IS'' AND ANY

" EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

" DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY

" DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

" (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;

" LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND

" ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS

" SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

" Turn off vi-compatible mode, unless it's already off {{{1

if &cp

set nocp

endif

let s:type = 'cterm'

if &t_Co == 0

let s:type = 'term'

endif

" Converts info for a highlight group to a string of ANSI color escapes {{{1

function! s:GroupToAnsi(groupnum)

if ! exists("s:ansicache")

let s:ansicache = {}

endif

let groupnum = a:groupnum

if groupnum == 0

let groupnum = hlID('Normal')

endif

if has_key(s:ansicache, groupnum)

return s:ansicache[groupnum]

endif

let name = synIDattr(groupnum, 'name', s:type)

let retv = "\<Esc>["

if exists('name')

let retv .= name

endif

let retv .= ";"

let s:ansicache[groupnum] = retv

return retv

endfunction

function! AnsiHighlight(output_file)

let retv = []

for lnum in range(1, line('$'))

let last = hlID('Normal')

let output = s:GroupToAnsi(last)

" Hopefully fix highlighting sync issues

exe "norm! " . lnum . "G$"

let line = getline(lnum)

for cnum in range(1, col('.'))

if synIDtrans(synID(lnum, cnum, 1)) != last

let last = synIDtrans(synID(lnum, cnum, 1))

let output .= s:GroupToAnsi(last)

endif

let output .= matchstr(line, '\%(\zs.\)\{'.cnum.'}')

"let line = substitute(line, '.', '', '')

"let line = matchstr(line, '^\@<!.*')

endfor

let retv += [output]

endfor

" Reset the colors to default after displaying the file

"let retv[-1] .= "\<Esc>[0m"

return writefile(retv, a:output_file)

endfunction

" See copyright in the vims cript above (for the vim script) and in

" vimcat.md for the whole script.

" The list of contributors is at the bottom of the vimpager script in this

" project.

" vim: sw=2 sts=2 et ft=vim

code2ebook/syntax-highlight.vim at master · treesadmin/code2ebook · GitHub

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